erin is kellen's sister. a year later, they say they fell in love almost immediately. >> instantly. >> i have it vividly in my head, just looking over, feeling her mom hug me and just staring into her eyes. >> reporter: and so it came to be that her brother's heart is beating inside her true love's chest. >> i hear him all the time in my head. >> oh, my god. wow. i mean, there are stories, and then there are really impactful stories. that's beautiful. >> rarely blown away by a story, but that was it. unbelievable. the power of love on many different levels. we'll be back. different levels. we'll be back. septic disasters are disgusting and costly, but avoidable. the rid-x septic subscriber program helps prevent backups by sending you monthly doses right to your door so you will never forget to maintain your system. sign up at rid-x.com. >>> welcome back, everybody. time for "the mix." we want to get to something that is oh, so interesting. apparently, there's a 20-year-old out there named mark who is in a rel